🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.42 AU - 0.7 AU

Year: 271 Days

Day: 19.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 14.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.67 AU - 0.81 AU

Year: 411 Days

Day: 13.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,965,535 km

• M1: 184,005 km (0.086 R)
• M2: 808,576 km (0.117 R)
• M3: 1,424,621 km (0.066 R)
• M4: 2,621,104 km (0.102 R)
• M5: 3,128,241 km (0.066 R)
• M6: 4,871,355 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 12.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.81 AU - 1.23 AU

Year: 665 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,965,535 km

• M1: 151,692 km (0.084 R)
• M2: 591,061 km (0.078 R)
• M3: 1,191,098 km (0.083 R)
• M4: 1,695,093 km (0.07 R)
• M5: 2,476,892 km (0.101 R)
• M6: 3,298,783 km (0.103 R)
• M7: 4,154,183 km (0.112 R)
• M8: 4,837,098 km (0.113 R)
• M9: 5,369,666 km (0.115 R)
• M10: 5,823,696 km (0.106 R)
• M11: 6,830,938 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.2

Radius: 6.5

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.89 AU - 11.69 AU

Year: 21313 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,965,535 km

• M1: 80,932 km (0.05 R)
• M2: 339,737 km (0.088 R)
• M3: 655,089 km (0.105 R)
• M4: 1,778,719 km (0.084 R)
• M5: 2,392,220 km (0.109 R)
• M6: 5,749,345 km (0.088 R)
• M7: 7,506,821 km (0.055 R)
• M8: 9,536,864 km (0.084 R)
• M9: 12,800,043 km (0.107 R)
• M10: 14,260,716 km (0.116 R)
• M11: 16,738,955 km (0.099 R)
• M12: 25,310,165 km (0.05 R)
• M13: 29,403,461 km (0.1 R)
• M14: 31,671,066 km (0.082 R)
• M15: 32,190,320 km (0.109 R)
• M16: 33,112,591 km (0.106 R)
• M17: 36,550,799 km (0.076 R)
• M18: 38,282,694 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 17,651 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit